Help please!.
Answer Choice's:
(20 x 25) - (5 x 12)
10 x 12 + 10 x 12+ 8 x 25
20...
Mathematics, 29.03.2021 22:20, ale1910
Help please!.
Answer Choice's:
(20 x 25) - (5 x 12)
10 x 12 + 10 x 12+ 8 x 25
20 x 20 + 10 x 20 + 5 x 8
(20 x 15) + (20 X 10)
(I'm not sure if the picture is whole so I put answer choices just incase.)
Answers: 3
Mathematics, 21.06.2019 18:20, nehaljay1883
The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%
Answers: 1
Mathematics, 10.07.2019 04:30
Mathematics, 10.07.2019 04:30
Mathematics, 10.07.2019 04:30